Remember Dancing Man? Back in March, Sean O'Brien was cruelly teased after dancing in a nightclub. A picture taken of him went viral and the negative comments it attracted received a huge reaction. A number of celebrities reached out to Sean and LA based activist Cassandra Banks decided "Dancing Man" deserved a serious party. Sean hung out with Meghan Trainor during his time in LA Sean flew to Los Angeles for the big bash last weekend and during his visit, he danced on TV with Meghan Trainor, received a video message from Pharrell Williams and threw the first pitch at a LA Dodgers baseball game. The party raised money for a number of anti-bullying charities and Sean told Great Morning Britain that the whole experience was "a wonderful journey". "It was daunting at first. I was a bit worried about how it all happened but it's turned into the most wonderful journey. "I've met some of the most wonderful people you can imagine. It's been truly life-changing".